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System Tests: Notes

WARNING: This page is about a different car, the 2002 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
SYMPTOM INDEX

Symptom Perform Test
Height Control Indicator Light Circuit A 
Height Control OFF Indicator Light Circuit B 
Damping Force Controlling Condition C 
Height Control Operation Test D 
Input Signal Check E 
Power Source Circuit F 
Tc Terminal Circuit G 
Ts Terminal Circuit H